Home / 689,496,539.80-1,034,244,809.70-603,403,097.80

Finding the Fourth Proportional to 689,496,539.80, 1,034,244,809.70 and 603,403,097.80

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Solution

The fourth proportional to 689,496,539.80, 1,034,244,809.70 and 603,403,097.80 is: 905,104,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,496,539.80 : 1,034,244,809.70 = 603,403,097.80 : x
  2. Step 2: Convert to fraction form
    689,496,539.80/1,034,244,809.70 = 603,403,097.80/x
  3. Step 3: Cross multiply
    689,496,539.80x = 1,034,244,809.70 × 603,403,097.80
  4. Step 4: Simplify right side
    689,496,539.80x = 624,066,522,056,551,424
  5. Step 5: Solve for x
    x = 624,066,522,056,551,424/689,496,539.80
  6. Step 6: Final answer
    x = 905,104,646.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.